CVE-2021-21876
moderate-risk
Published 2021-12-22
Specially-crafted HTTP requests can lead to arbitrary command execution in PUT requests. An attacker can make authenticated HTTP requests to trigger this vulnerability.
Do I need to act?
~
2.8% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.1/10
Critical
NETWORK
/ LOW complexity
Affected Products (1)
Affected Vendors
42
/ 100
moderate-risk
Severity
31/34 · Critical
Exploitability
6/34 · Minimal
Exposure
5/34 · Minimal